Virtual environment walkthrough systems traditionally use computer graphics to model and render virtual environments.
虚拟环境漫游系统 ,传统上是采用计算机图形学原理建模来绘制虚拟场景。
参考来源 - 虚拟现实中基于图像绘制虚拟场景技术综述In particular, with high speed development of PC performance these years, building multi-projection virtual environments systems driven by PC cluster has become a research hot.
特别是，近几年随着PC性能的快速发展，以廉价PC集群驱动的多投影面虚拟环境系统大大提高了其推广应用价值，其构建方法亦成为研究的热点。
参考来源 - 高临场感大屏幕显示系统颜色校正与实时交互的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
As games blend our real and virtual environments, should there be a concern that some people will be less able to distinguish between the two?
游戏将真实的和虚拟的环境相混合，那么我们是否应该担心有些人会不那么容易区别这二者？
But you can do that in virtual environments.
然而，在虚拟世界中这是可能的。
Nginx is the web server of choice for many virtual environments.
Nginx是许多虚拟环境的首选Web服务器。
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